FR705902A - Sound reproduction system - Google Patents
Sound reproduction systemInfo
- Publication number
- FR705902A FR705902A FR705902DA FR705902A FR 705902 A FR705902 A FR 705902A FR 705902D A FR705902D A FR 705902DA FR 705902 A FR705902 A FR 705902A
- Authority
- FR
- France
- Prior art keywords
- sound reproduction
- reproduction system
- sound
- reproduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB705902X | 1930-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR705902A true FR705902A (en) | 1931-06-16 |
Family
ID=10494037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR705902D Expired FR705902A (en) | 1930-07-08 | 1930-11-19 | Sound reproduction system |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR705902A (en) |
-
1930
- 1930-11-19 FR FR705902D patent/FR705902A/en not_active Expired
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